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Inheritance of Genes

Total questions: 24

Worksheet time: 13mins

Name
Class
Date
1.

A ____ is a segment of DNA that codes for a particular protein.

a)

Gene

b)

Chromosome

c)

Allele

d)

Trait

2.

A gene is a sequence of DNA bases that instructs the cell on how to build a _________.

a)

Protein

b)

Cell

c)

Body

d)

DNA

3.

Organisms inherit two copies of each _______, one from each parent.

a)

Chromosome

b)

Factor

c)

Protein

4.

____are different versions of the same gene.

a)

Alleles

b)

Chromosomes

c)

Characteristics

d)

Factors

5.

True or False? A tightly compacted strand of DNA wrapped around protein is a chromosome.

a)

False

b)

True

6.

Because a molecule of DNA is about 2 meters (6 feet) long, it must be stored as a _____ to fit in the nucleus of a cell.

a)

chromosome

b)

gene

c)

protein

d)

mRNA

7.

How many chromosomes do humans typically have in each cell?

a)

100

b)

64

c)

23

d)

46

8.

True or False? A person can have more than 46 chromosomes in each of their cells.

a)

False

b)

True

9.

Down Syndrome is a genetic disorder in which a person has ____ than 46 chromosomes in each cell.

a)

more

b)

less

10.

Which sex chromosomes are found in the cells of a biological female?

a)

XX

b)

XY

11.

Which sex chromosomes are found in the cells of a biological male?

a)

XX

b)

XY

12.

Sperm and Egg (also known as ova) are...(select three)

a)

Somatic cells

b)

Gametes

c)

Germline cells

d)

Sex cells

13.

The matching chromosomes a person inherits from their mother and father are...

a)

genes

b)

DNA

c)

homologous chromosomes

d)

sex chromosomes

14.

What causes genetic variation in meiosis?

a)

chromosomes lining up

b)

crossing over of chromosomes

c)

separation of chromosomes

d)

chromosomes pulling apart

15.

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs.

a)

crossing over

b)

mutagenesis

c)

hybridization

d)

fertilization

16.

The random lining-up of homologous pairs of chromosomes at the cell’s middle is called...

a)

Crossing over

b)

Meiosis

c)

Independent assortment

d)

Cell division

17.

Gametes are created through the process of...

a)

Meiosis

b)

Mitosis

18.

____ is a special type of cell division that reduces the chromosome number by half to create sex cells in the ovaries in biological women and in the testes in biological men.

a)

Mitosis

b)

Meiosis

19.

The cell formed when an egg and sperm meet is called a...

a)

baby

b)

gamete

c)

zygote

d)

somatic cell

20.

Body cells are created through the process of...

a)

Meiosis

b)

Mitosis

21.

Body cells are also referred to as...

a)

Somatic cells

b)

Sex cells

c)

Germline cells

d)

Gametes

22.

Which of the following is NOT a somatic cell?

a)

Skin cell

b)

Brain cell (neuron)

c)

Intestinal cell

d)

Sperm cell

23.

REFLECTION QUESTION: Rate your comfort level with the information covered in the Inheritance of Genes reading and Quizizz Game. (THERE IS NO CORRECT ANSWER.)

a)

I feel very comfortable with the information. 🤩

b)

I feel okay about the information but I have some questions still. 😅

c)

I don't feel very comfortable with the information and I have a lot of questions still. 🤔

d)

I'm lost! Help! 😳

24.

REFLECTION QUESTION: What questions do you have or what are you confused about after completing the Inheritance of Genes reading and Quizizz game? (THERE IS NO CORRECT ANSWER.)

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